Andrew Castellaneta

CIK: 0001627493

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (50.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

OMC

OMNICOM GROUP INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

OMC
OMNICOM GROUP INC.
Aug 15, 2026
Tax Payment(F)
Direct
1.3K shares at avg. $87.57$118K
OMC
OMNICOM GROUP INC.
Aug 15, 2025
Tax Payment(F)
Direct
1.9K shares at avg. $76.31$141K
OMC
OMNICOM GROUP INC.
Oct 18, 2024
Sale(S)
Direct
3.5K shares at avg. $105.30$367K
OMC
OMNICOM GROUP INC.
Oct 18, 2024
Sale(S)
Direct
519 shares at avg. $105.20$55K

		Type	Shares	Price		Ownership
Aug 15, 2026	OMC OMNICOM GROUP INC.	Tax Payment(F)	1,348	$87.57	$118,044	Direct
Aug 15, 2025	OMC OMNICOM GROUP INC.	Tax Payment(F)	1,850	$76.31	$141,174	Direct
Oct 18, 2024	OMC OMNICOM GROUP INC.	Sale(S)	3,481	$105.30	$366,556	Direct
Oct 18, 2024	OMC OMNICOM GROUP INC.	Sale(S)	519	$105.20	$54,598	Direct

1-4 of 4 transactions

About Castellaneta Andrew

Castellaneta Andrew (SEC CIK 0001627493) files insider reports with the SEC as SVP, Chief Accounting Officer of OMNICOM GROUP INC. (OMC).

Signal8 holds 3 ownership filings by Castellaneta Andrew, all Form 4s, filed between Oct 22, 2024 and Aug 18, 2026. Those filings report 4 transactions, from Oct 18, 2024 to Aug 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Castellaneta Andrew's filings is in NEW YORK, NY.

Recent filings by Castellaneta Andrew

Aug 15, 2026: Tax withholding of OMC shares (Form 4, code F).
Aug 15, 2025: Tax withholding of OMC shares (Form 4, code F).
Oct 18, 2024: Open-market sales of OMC shares (2 lines, Form 4, code S).

Other insiders filing for OMNICOM GROUP INC. (OMC)

Farnam Jordan Christopher, VP, Global Fin Rep & CAO
WYATT E LEE, Director
Williams Valerie, Director
Santos Cassandra, Director
RICE LINDA JOHNSON, Director
Pineda Patricia Salas, Director

How to read Form 4 transaction codes